System.Linq.Tests.SelectTests.SelectPropertyPassingIndexOnLast C# (CSharp) Méthode

        public void SelectPropertyPassingIndexOnLast()
        {
            var source = new[]{
                new { name="Prakash", custID=98088},
                new { name="Bob", custID=29099 },
                new { name="Chris", custID=39033 },
                new { name="Robert", custID=39033 },
                new { name="Allen", custID=39033 },
                new { name="Chuck", custID=39033 }
            };
            string[] expected = { null, null, null, null, null, "Chuck" };
            Assert.Equal(expected, source.Select((e, i) => i == 5 ? e.name : null));
        }